RBG-34088, Addendum to Semiannual Radioactive Effluent Release Rept for Jan-June 1990

Addendum to Semiannual Radioactive Effluent Release Rept for Jan-June 1990

ML20058J979
Person / Time
Site:	River Bend
Issue date:	06/30/1990
From:	Cargill E, Fantacci C, Odell W GULF STATES UTILITIES CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RBG-34088, NUDOCS 9012060199
Download: ML20058J979 (8)

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GULF STATES UTILITIES COMPANY RIVER BIND ST ATION POST OFFICE Box 270 st IRANCISviti E tout $1ANA 7077%  ;

ARE A CODE 604 615 60M 346 8661 l

l November 2 8 ,1990 t RBG- 34088 i File Nos. G9.5, G9.25.1.5

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-l U. S. Nuclear Regulatory Cmmission Docunent Control Dask Washington, D. C. 20555 -

S Gentiment River Bend Station - Unit l' l Docket No. 50-458 I Enclosed is the Mdendum to the Semiannual Radioactive Effluent Release Report for the period of January 1 to June 30, 1990 i submitted to you ~ previously (ref. RBG-33465 dated August 29, 1 1990).- This- Mdendum provides infonnation which was not available at the time that the Semiannual Radioactive Effluent  !

Release Report was being coupiled. The Addendum is being ,

subnitted in accordance with Technical Specification 6.9.1.8 of {

Appendix A to River Bend Station (RDS) License Number NPF-47.

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Sincerely,  !

. H. Odell Manager-Oversight; f q

River Bend Nuclear Group  :

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Enclosure "

cc: U. S. Nuclear Regulatory Courdssion 611.Ryan Plaza Drive, Suite 1000 Arlington, TX -76011-

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NRC Resident Inspector ]

q Post Office Box 1051 St. Francisville, IA 70775 <

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9012060199 900630 r PDR ADOCK 05000458 -

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.: . ."g; e RIVER BEND STATION - LNIT I SEMIANNUAL IUOIOACTIVE DTIUENT RELEASE REPORT NXWNDlM s ,

REPORT PEIUOD: JANUARY 1,1990 TimOUGH JJtE 30, 1990 PREPARED BY: /).c

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O /fM D'. .'E'aritacci, Padiological Engiriedring Supervisor APPROVED BY: __ _

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_E.8.Cargill,firector41adi

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SEMIANNUAL RADIONCTIVE EFFLUENT RELIASE REKMC ADDENDlN p

FACILITY: River Bend Station - Unit I LICENSEE: Gulf States Utilities Cmpany REPORT PERIOD: January 1,1990 through June 30, 1990 This addendum is subnitted under River Bend Station (RBS) License-Number NPF-47. It provides infoITnation obtained frm vendor-perforned analysis of quarterly cmposite samples that was not available when the Quarter 1/2 1990 RBS Semiannual Radioactive Effluent Release Report was being empiled. Updates are provided for the following:

(1) Table 3 Gaseous Effluents - Sumation of all Releases Itms C.1 -

C.3, page 15 (2) . Table 4 Gaseous: Effluents - Conditionally. Elevated Releases. Itm 3, page 17 (3) Table 5 Gaseous Effluents - Ground Level Releases Item 3, page'20 (4) Table 6 _ Liquid Effluents - Sumnation of all Releases Itms A.1 -

A.3, page 23 (5) Table 6 Liquid Effluents - Sunmation of all Releases Item G, pages 251and 26 An entry of "0.00E+00" Ci in the following tables' indicates that the concentration of a particular radionuclide was below the Lower Limit of Detection (LLD) .

GASEQUS EETLUENTS The Sr-90 caposite was below the minimum detectable activity (FDA) for the Fuel. Building and Radwaste Building exhaust vents. 'Ihe Sr-89 cmposite was below the minimum detectabic activity (FDA) for the Radwaste Building exhaust vent.

LIQUID EETTLMn'S The Sr-89 caposite was below the minimum detectable activity (FDA) .

TMLE 3 ADDEMXM Effluent ard Waste Disposal Semi-Annual Report 1990 Year Gascous Effluents - Swmation of All Releases 1/2 Quarters

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gg l __ _ Unit louarter 1l Ouarter 2 l Error, % l

.e C. Particulates

1. Particulates with half- ~~~~l~ 'T lives of >9 dava- Ci PR 1.51E-04 1.86E+01

, 2. Average release rate

, l for period uCi/sec PR 1.92E-05

3. Percent of technical

'F , l specification limit  % PR 7.22E-02

d. 4. Gross alpha . l radioactivity l Ci 1 PR PR l

-PR - Previously Reported i i.

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. l TN LE 4 ADDENDEM i

EfDuent ard Waste Disposal Somiannual Ibport 1990 Year l Gaseous Effluents - Corxlitionally Elevated Ibicases 1/2 Quarters  !

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Continuous Mode Batch Mode i

_ j Nuclides Released Unit  ! Quarter 1 l Quarter 2 I Quarter 1 l Quarter 2 f i

3. Particulates .

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Strontium-89 Ci PR 1.37E-05 N/A N/A l Strontium-90' _ Ci PR 1.48E-05 N/A N/A

=-___7-q--.- _--- -. ,

I i a e i Total for Period l Ci l PR l 1.50E-04 l N/A l N/A

'PR -.Previously Reported

7 TAIRE 5 NXRMXM Effluent ard Waste Disposal Samiannual Report 1990 Year Gaseous Effluents - Grourd IcVel Deleases 1/2 Quarters .

Continuous Mode ~ Batch Mode

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Nuclide' Released Unit Guarter 1 Ouarter 2 Quarter 1 Ouarter 2

?3. Particulates Strontium-89 Ci _

PR 7.26E-07 I1I N/A N/A 7 Strontium-90~

Ci PR l 0.00E+00(2) N/A N/A

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3. ___ -

i I . I 4 Total-for Period l Ci  !- PR  ! 7.26E-07 l N/A N/A' PR - Previously Reported

-(1). Quarterly ccuposite particulate filter analysis indicates a Minimum Detectable Activity (FDA) l concentration of <1.0E-16 uCi/cc for the Radwaste Building Exhaust Vent. This is less than the!

.Icuer.Idmit of Detection - (LID)- of 1.0E-11 uCi/ml as specified in table 4.11.2.1.2-1 of- RBS

. Technical' Specifications.

(2): _ Quarterly ccmposite particulate filter analysis indicates.a Mininum Detectable Activity- (FDA)!

concentration of <8.0 E-16 uCi/cc for the Fuel Bui' ding Exhaust Vent and <1E-16uC1/cc; for'.the!

Radwaste, Building Exhaust Vent. This is less Ean the Irwer Limit of Detection (LLD) of 1.01

E-11 uCi/ml as sprified in table 4.11.2.1.2-1 of RBS Technical Specifications.

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TAILE 6 ADDENGlM i

l Effluent and Wasto Diapnr.a1 Smi-Annual ikport 1990 Year i Liquid Effluents - Sunnation of All Deleases 1]_22 Quarters -l j ,_ _ , _ _

Unit Quarter 1l Ouarter 2 Error, %

A. - Fission and activation products

1. Total relEa'se (niitiiET~~~~~' T'~~~~~ ~~'~l j

, cluding, tritium, gases,j Ci '

PR j 1.52E-01 l 1.42E+01 l l alpha _

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2. Average dilute ( concen-tration during period uC1/ml PR 1.01E-07

3. - Percent of applicable I i j limit ~ (1) l  % l PR l 1,22E401 -l (1) One quarter of 3 Ci annual limit (1.25 C1) for liquid releases except for tritium or entrained noble gases frm 10CFR50 Appendix I.

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i TABLE 6 ADDIH KM Effluent and Waste Disposal Saniannual Report 1990 Year I

G. Liquid Effluent 1/2 Quarters -!

Continuous Mode Batch Mode  ;

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Nuclides Released Unit Quarter 1  ! Quarter 2 Quarter 1 Quarter 2 Arsenic-76 Ci N/A N/A PR 7.38E-04 ( 1 ) l Strontitun Ci N/A N/A PR 0.00E+00 (2) l LStrontium-90 Ci N/A N/A PR 4.74E-04 Inon-55 -

'Ci N/A N/A PR 1.35E-03 L 'Ibtal For- Period Ci N/A l N/A PR' l '1.85E+01 l i

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1 PR - Previously Reported a ,

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A (1) . Arsenic-76 is resubnitte<' due to typographical error previously reported.

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'(2)- Analysis. of quarterly cciuposite - indicates a Mininun Detectable Activity a

f (MDA) concentration of <5.0E-08 uCi/ml for Sr-89. This value is less than the: IcWor Limit of Detection' (LLD) of 5.0 E-8 uCi/ml as specified in Table -

,',' 4.1111.1.1-1 of RBS Technical Specifications, j-

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